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A049551 as a simple table

na(n)
12
23
35
47
511
613
717
819
923
1029
1131
1237
1341
1443
1547
1653
1759
1861
1967
2071
2173
2279
2383
2489
2597
26101
27103
28107
29109
30113
31127
32131
33137
34139
35149
36151
37157
38163
39167
40173
41179
42181
43193
44197
45199
46211
47223
48227
49233
50239
51241
52251
53257
54263
55269
56271
57277
58281

[2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,
 61,67,71,73,79,83,89,97,101,103,107,109,113,127,
 131,137,139,149,151,157,163,167,173,179,181,193,
 197,199,211,223,227,233,239,241,251,257,263,269,
 271,277,281]